In addition to a LARGE amount of PLA, you'll need:
Battery Case:
8 AAAs
1/2" copper pipe (at least 3 ft)
1/2" copper pipe connector (at least
...さらに表示 6")
1/2" copper pipe end cap
Copper foil
Copper Wire
Cone Spring
Switch:
NTE 54-385A
Light:
LED: 194-RHP5-PC
Socket: T3.25S-SP
